Nova Electronics MCX514, User Manual

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NOVA electronics Inc. MCX514 -
201
－ 201 －
7.3.2 PIO Signal Setting 1
Code Command Symbol Data Length (byte)
２１ h
PIO signal setting 1
Ｐ１Ｍ ２
“P1M” is the parameter setting the function of nPIO7~0 signals. nPIO7~0 signals can be used for the general purpose input /
output signals, synchronous input signals, synchronous pulse output signals, drive status output signals, MR m comparison output
signals and driving by external signals.
WR6
D7 D6 D5 D4
H L
D15 D14 D13 D12 D11 D10 D9 D8 D3 D2 D1 D0
P1M0 P0M1 P2M0 P3M0 P0M0 P1M1 P2M1 P3M1
nPIO0
signal nPIO1
signal nPIO2
signal nPIO3
signal
P4M0
P5M0 P6M0
P7M0 P4M1
P5M1
P6M1 P7M1
nPIO4
signal nPIO5
signal nPIO6
signal nPIO7
signal
D1,0 P0M1,0
Setting the nPIO0 signal function.
D3,2 P1M1,0
Setting the nPIO1 signal function.
D5,4 P2M1,0
Setting the nPIO2 signal function.
D7,6 P3M1,0
Setting the nPIO3 signal function.
D9,8 P4M1,0
Setting the nPIO4 signal function.
D11,10 P5M1,0
Setting the nPIO5 signal function.
D13,12 P6M1,0
Setting the nPIO6 signal function.
D15,14 P7M1,0
Setting the nPIO7 signal function.
Each function is shown as follows.
（ k:0 ～ 7 ）
PkM1 bit PkM0 bit Function
0 0
General purpose input
nPIO7~0 signals become an input state. The signal level of each axis can be read by the
following register: X axis from D7~0 of RR4, Y axis from D15~8 of RR4, Z axis from
D7~0 of RR5 and U axis from D15~8 of RR5 register.
In synch
ronous action, it can be activated by the signals ↑ or ↓.
In driving by external signals, relative position driving or continuous pulse driving can be
activated by nPIO4, 5 signals.
0 1
General purpose output
nPIO7~0 signals become an output state. The values of WR4, 5 registers are output to
the following bit of each axis respectively: D7~0 of WR4 are output to PIO7~0 of X axis,
D15~8 of WR4 to PIO7~0 of Y axis, D7~0 of WR5 to PIO 7~0 of Z axis and D15~8 of
WR5 to PIO7~0 of U axis.
When the value is 0, it is Low level output and when is 1, it is Hi level output.
1 0
Drive status output
nPIO7~0 signals become an output state and each signal outputs the drive status as
shown in the following table.
1 1
Synchronous pulse
・
MRm comparison output
nPIO7~0 signals become an output state. nPIO3~0 output synchronous pulses and
nPIO7~4 output MRm comparison value. The comparative object and comparison
condition can be set by multi-purpose register mode setting command (20h).
The function of each nPIOm signal is shown as follows.